COELHO, R. D. P.; LAMOUNIER, W. M.; MARANHAO, R. K. de A. Systematic risk variations (beta) convertible debenture brazilian companies. Brazilian Business Review, [S. l.], v. 7, n. 3, p. 1–22, 2010. DOI: 10.15728/bbr.2010.7.3.1. Disponível em: https://bbronline.com.br/index.php/bbr/article/view/318. Acesso em: 24 oct. 2021.